27 surviving letters between Isidore of Pelusium and Theon, spanning 401-425 AD.
On the Arians and Eunomians.
On the text: "And we know that all things work together for good to those who love God, to those who are called...
Most people are slow to do what is genuinely good, and quick to do what is harmful.
Virtue must be practiced with all one's strength — not merely admired from a distance.
Anger is a fire: useful when controlled, devastating when unleashed.
“To Theon, Bishop.”
“To the same person.”
“To Theon, bishop.”
“To Theon, the bishop.”
“To Theon the presbyter.”
“To Theon, the Scholasticus [an advocate or lawyer] It is possible, most excellent one, for the lover of virtue to become superior to a trial.”
“To the Same Person.”
“To Theon.”
“On those who are being instructed.”
“On the meaning of "Become children in your understanding.”
“On a Monk Who Adorns Himself.”
“On priests.”
“To Theon, the scholasticus [advocate].”
“To Theon, presbyter.”